[Gmsh] Compiling Gmsh with opencascade

[Vun, Simon (Contractor)]

Hi there,

I've just started to use gmsh as my meshing tool for openfoam CFD.
Currently I'm trying to install gmsh on my 32bit intel Suse10.1 machine.
I followed the readme for occ and was successful with the installation
of opencascade.  However I'm currently trying to compile gmsh with
opencascade and I've hit a wall.
I configure opencascade using the following

./configure --enable-occ --with-occ-prefix=/usr/local/OpenCASCADE6.2.0/
(since OCC is located in this dir).

When I try to "make" gmsh I get the following error;

 make[1]: Leaving directory `/usr/local/gmsh-2.1.1/contrib/ANN'
make[1]: Entering directory `/usr/local/gmsh-2.1.1/contrib/Netgen'
make[1]: `../../lib/libGmshNetgen.a' is up to date.
make[1]: Leaving directory `/usr/local/gmsh-2.1.1/contrib/Netgen'
make[1]: Entering directory `/usr/local/gmsh-2.1.1/contrib/MathEval'
make[1]: `../../lib/libGmshMathEval.a' is up to date.
make[1]: Leaving directory `/usr/local/gmsh-2.1.1/contrib/MathEval'
g++ -g -O2 -o bin/gmsh -Llib -lGmshFltk -lGmshParser -lGmshGraphics
-lGmshPlugin -lGmshMesh -lGmshGeo -lGmshPost 
-lGmshCommon -lGmshDataStr -lGmshNumeric -lGmshParallel
-lGmshNativeFileChooser -L/usr/local/lib -L/usr/X11R6/lib 
-lfltk_images -lpng -lz -lfltk_jpeg -lfltk_gl -lGLU -lGL -lfltk -lm
-lXext -lX11 -lpng -lGmshANN -lGmshNetgen -lGmshMathEval 
-lgsl -lgslcblas -L/usr/local/OpenCASCADE6.2.0//lib -lTKSTEP -lTKSTEP209
-lTKSTEPAttr -lTKSTEPBase -lTKIGES -lTKXSBase -lTKOffset
 -lTKFeat -lTKFillet -lTKBool -lTKShHealing -lTKMesh -lTKHLR -lTKBO
-lTKPrim -lTKTopAlgo -lTKGeomAlgo -lTKBRep -lTKGeomBase -lTKG3d 
-lTKG2d -lTKAdvTools -lTKMath -lTKernel -lhdf5 -lz -lm
/usr/local/lib/libTKernel.so: undefined reference to `pthread_create'
/usr/local/lib/libTKernel.so: undefined reference to `pthread_detach'
/usr/local/lib/libTKernel.so: undefined reference to
`pthread_mutex_trylock'
/usr/local/lib/libTKernel.so: undefined reference to `pthread_join'
collect2: ld returned 1 exit status
make: *** [link] Error 1

I've made sure the OCC libs and inc dirs are accessible using symbolic
links in OpenCASCADE6.2.0 dir following the thread
http://www.geuz.org/pipermail/gmsh/2007/002498.html 

I'm not sure what to make of this error so if anyone could help I would
really appreciate it. 

I'm trying to compile gmsh-2.1.1 with OpenCascade 6.2.0 using gcc4.1.2.

Thanks in advance and I can't wait try the mesher.

Simon.

P.S In the spirit of opensource, when I successfully install gmsh I'll
happily share my installation process.  


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